python count_num_dir.py -d  /mnt/nas/shengjie/datasets/cloth_pockets_balanced_depth/
python count_num_dir.py -d  /mnt/nas/shengjie/datasets/cloth_sleeve_balanced_depth/
python count_num_dir.py -d  /mnt/nas/shengjie/datasets/cloth_collar_balanced_depth/
